DE102004025361A1 - Electromechanically actuated parking brake for motor vehicles - Google Patents
Electromechanically actuated parking brake for motor vehicles Download PDFInfo
- Publication number
- DE102004025361A1 DE102004025361A1 DE102004025361A DE102004025361A DE102004025361A1 DE 102004025361 A1 DE102004025361 A1 DE 102004025361A1 DE 102004025361 A DE102004025361 A DE 102004025361A DE 102004025361 A DE102004025361 A DE 102004025361A DE 102004025361 A1 DE102004025361 A1 DE 102004025361A1
- Authority
- DE
- Germany
- Prior art keywords
- measuring device
- brake
- parking brake
- clamping force
- force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000005291 magnetic effect Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000032683 aging Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/04—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting mechanically
- B60T11/046—Using cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/746—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/08—Brake-action initiating means for personal initiation hand actuated
- B60T7/10—Disposition of hand control
- B60T7/107—Disposition of hand control with electrical power assistance
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Regulating Braking Force (AREA)
Abstract
Die vorliegende Erfindung betrifft eine elektromechnisch betätigbare Feststellbremse für Kraftfahrzeuge, die im wesentlichen aus mindestens einer Vorrichtung zur Erzeugung einer Zuspannkraft, einer elektronischen Steuereinheit und mechanisch verriegelbaren Bremseinrichtungen an wenigstens einer Achse besteht, wobei die Bremseinrichtungen durch die Vorrichung mittels mindestens eines Bremsseiles zuspannbar sind und die Zuspannkraft mittels einer Kraftmesseinrichtung ermittelt wird. DOLLAR A Um die Zuspannkraft zuverlässig durch eine einfach aufgebaute und kostengünstig realisierbare Kraftmesseinrichtung zu bestimmen, wird erfindungsgemäß vorgeschlagen, einen Encoder in das Bremsteil zu integrieren, dessen Stellung von einem ortsfest angebrachten magneto-resisistiven Sensorelement ermittelt wird.The present invention relates to an electromechanically actuated parking brake for motor vehicles, which consists essentially of at least one device for generating a clamping force, an electronic control unit and mechanically lockable brake devices on at least one axis, wherein the braking devices are zuspannbar by the Vorrichung means of at least one brake cable and the Clamping force is determined by means of a force measuring device. DOLLAR A To reliably determine the clamping force by a simple design and cost-realizable force measuring device, the invention proposes to integrate an encoder in the brake member whose position is determined by a stationary mounted magneto-resistive sensor element.
Description
Die vorliegende Erfindung betrifft eine elektromechanisch betätigbare Feststellbremse für Kraftfahrzeuge, die im wesentlichen aus mindestens einer Vorrichtung zur Erzeugung einer Zuspannkraft, einer elektronischen Steuereinheit und mechanisch verriegelbaren Bremseinrichtungen an wenigstens einer Achse besteht, wobei die Bremseinrichtungen durch die Vorrichtung mittels mindestens eines Bremsseiles zuspannbar sind und die Zuspannkraft mittels einer Kraftmesseinrichtung ermittelt wird.The The present invention relates to an electromechanically operable one Parking brake for Motor vehicles consisting essentially of at least one device for generating a clamping force, an electronic control unit and mechanically lockable brake devices on at least one axle consists, wherein the braking devices by the device means at least one brake cable are zuspannbar and the clamping force is determined by means of a force measuring device.
Aus der internationalen Anmeldung WO 98/56633 ist eine Feststellbremsanlage für Fahrzeuge bekannt, die eine Stelleinheit zur Erzeugung eine Zuspannkraft aufweist. Die Zuspannkraft wird bei der vorbekannten Feststellbremsanlage über ein Stellglied auf einen Betätigungszug übertragen. Eine Kraftmessvorrichtung ist dabei derart in das Stellglied integriert, dass Relativbewegungen zwischen dem Betätigungszug und dem Stellglied erfasst werden. Als weniger vorteilhaft wird bei dieser Feststellbremsanlage angesehen, dass der Aufbau kompliziert ist und die Fertigung aufwendig ist.Out International Application WO 98/56633 is a parking brake system for vehicles known, which has an actuating unit for generating a clamping force. The clamping force is in the prior art parking brake via a Transfer actuator to a control cable. A force measuring device is integrated in such an actuator in the, that relative movements between the control cable and the actuator be recorded. As less advantageous in this parking brake system Considered that the construction is complicated and the production expensive is.
Der vorliegenden Erfindung liegt daher die Aufgabe zu Grunde, eine elektromechanisch betätigbare Feststellbremse der eingangs genannten Gattung dahingehend zu verbessern, dass die Zuspannkraft zuverlässig durch eine einfach aufgebaute und kostengünstig realisierbare Kraftmesseinrichtung bestimmt werden kann.Of the The present invention is therefore based on the object, an electromechanical actuated Parking brake of the type mentioned to improve to that the clamping force reliable by a simply constructed and cost-realizable force measuring device can be determined.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass zumindest ein Teil der Kraftmesseinrichtung in mindestens einem Bremsseil derart integriert ist, dass die Übertragung der Zuspannkraft über das Teil erfolgt.These Task is inventively characterized solved, that at least a part of the force-measuring device in at least one Brake cable is integrated so that the transmission of the clamping force on the Part done.
Bei einer vorteilhaften Weiterbildung des erfindungsgemäßen Gegenstandes besteht die Kraftmesseinrichtung aus einem Encoder und mindestens einem magneto-resistiven Sensorelement, wobei das Teil der Kraftmesseinrichtung durch den Encoder gebildet wird.at an advantageous development of the subject invention If the force measuring device consists of an encoder and at least one Magneto-resistive sensor element, wherein the part of the force measuring device is formed by the encoder.
Außerdem ist vorgesehen, dass dem Teil ein Federelement oder ein gummi-elastisches Element nachgeordnet ist.Besides that is provided that the part of a spring element or a rubber-elastic Element is subordinate.
Ein weitere vorteilhafte Weiterbildung sieht vor, dass das Bremsseil derart ausgeführt ist, dass es eine mechanische Verformung zulässt und einen hartmagnetischen Effekt aufweist, der mittels eines magneto-resisitiven Sensorelementes erfasst wird.One Another advantageous embodiment provides that the brake cable executed in such a way is that it allows a mechanical deformation and a hard magnetic Has effect, by means of a magneto-resistive sensor element is detected.
Die Erfindung wird nachfolgend im Zusammenhang mit der beiliegenden Zeichnung näher erläutert. In der Zeichnung zeigen:The Invention will be described below in connection with the accompanying Drawing closer explained. In the drawing show:
In
Um
die Zuspannkraft der elektromechanisch betätigbaren Feststellbremse zu
ermitteln ist eine Kraftmesseinrichtung
Wenn
die elektromechanische Stelleinheit
Das
in
Bei
der in
Bei
dem eine mechanische Verformung zulassenden Bremsseil
Die
durch Alterung hervorgerufene plastische Verformung (Längung) des
Bremsseils
Mit
allen drei beschriebenen Ausführungsbeispielen
ist die Zuspannkraft einer elektromechanischen Stelleinheit
Claims (4)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004025361A DE102004025361A1 (en) | 2003-06-12 | 2004-05-19 | Electromechanically actuated parking brake for motor vehicles |
PCT/EP2004/051060 WO2004110835A1 (en) | 2003-06-12 | 2004-06-08 | Electromagnetically actuatable parking brake for motor vehicles |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10326371 | 2003-06-12 | ||
DE10326371.3 | 2003-06-12 | ||
DE102004025361A DE102004025361A1 (en) | 2003-06-12 | 2004-05-19 | Electromechanically actuated parking brake for motor vehicles |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102004025361A1 true DE102004025361A1 (en) | 2005-03-17 |
Family
ID=34201342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004025361A Withdrawn DE102004025361A1 (en) | 2003-06-12 | 2004-05-19 | Electromechanically actuated parking brake for motor vehicles |
Country Status (1)
Country | Link |
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DE (1) | DE102004025361A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005047855B3 (en) * | 2005-10-05 | 2006-09-14 | Siemens Ag | Parking brake cable`s traction force determining method for use in motor vehicle, involves changing stroke and transforming values determined at sensor in evaluation unit into traction force values |
DE102005056610A1 (en) * | 2005-11-28 | 2007-05-31 | Siemens Ag | Parking brake cable`s tractive force determining method for motor vehicle, involves connecting sensor support with longitudinal sensor whose signal voltage depends on elongation and parameter of force, and determining force from voltage |
DE102006003173A1 (en) * | 2006-01-23 | 2007-07-26 | Siemens Ag | Method for continuously determining the tensile force F in a rope of a parking brake |
DE102006007063A1 (en) * | 2006-02-15 | 2007-08-16 | Siemens Ag | Method for continuously determining the tensile force in a cable of a parking brake comprises transferring the tensile force to a transfer element and then to a pressure sensor and measuring the force from a signal voltage |
DE102006013216A1 (en) * | 2006-03-22 | 2007-09-27 | Siemens Ag | Force measuring device for a parking brake of a vehicle, in particular a passenger car |
DE102005042195B4 (en) * | 2005-09-06 | 2016-12-15 | Robert Bosch Gmbh | Parking brake for a vehicle |
-
2004
- 2004-05-19 DE DE102004025361A patent/DE102004025361A1/en not_active Withdrawn
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005042195B4 (en) * | 2005-09-06 | 2016-12-15 | Robert Bosch Gmbh | Parking brake for a vehicle |
DE102005047855B3 (en) * | 2005-10-05 | 2006-09-14 | Siemens Ag | Parking brake cable`s traction force determining method for use in motor vehicle, involves changing stroke and transforming values determined at sensor in evaluation unit into traction force values |
DE102005056610A1 (en) * | 2005-11-28 | 2007-05-31 | Siemens Ag | Parking brake cable`s tractive force determining method for motor vehicle, involves connecting sensor support with longitudinal sensor whose signal voltage depends on elongation and parameter of force, and determining force from voltage |
DE102006003173A1 (en) * | 2006-01-23 | 2007-07-26 | Siemens Ag | Method for continuously determining the tensile force F in a rope of a parking brake |
WO2007082835A1 (en) * | 2006-01-23 | 2007-07-26 | Continental Automotive Gmbh | Method for continuously determining the tensile force f in a cable of a parking brake |
CN101375145B (en) * | 2006-01-23 | 2011-08-03 | 大陆汽车有限责任公司 | Method for continuously determining the tensile force f in a cable of a parking brake |
US7994779B2 (en) | 2006-01-23 | 2011-08-09 | Continental Automotive Gmbh | Method for continuously determining the tensile force F in a cable of a parking brake |
KR101337103B1 (en) * | 2006-01-23 | 2013-12-05 | 콘티넨탈 오토모티브 게엠베하 | Method for continuously determining the tensile force f in a cable of a parking brake |
DE102006007063A1 (en) * | 2006-02-15 | 2007-08-16 | Siemens Ag | Method for continuously determining the tensile force in a cable of a parking brake comprises transferring the tensile force to a transfer element and then to a pressure sensor and measuring the force from a signal voltage |
DE102006013216A1 (en) * | 2006-03-22 | 2007-09-27 | Siemens Ag | Force measuring device for a parking brake of a vehicle, in particular a passenger car |
US7971488B2 (en) | 2006-03-22 | 2011-07-05 | Continental Automotive Gmbh | Force measuring device for a parking brake of a vehicle, in particular of a passenger vehicle |
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Legal Events
Date | Code | Title | Description |
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OR8 | Request for search as to paragraph 43 lit. 1 sentence 1 patent law | ||
8105 | Search report available | ||
8130 | Withdrawal |